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Express Connect:EnableExpressConnectRouterRouteEntries

Last Updated:Aug 19, 2025

Enables route entries for an Express Connect Router (ECR).

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RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

  • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

  • API: The API that you can call to perform the action.

  • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

  • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

    • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

    • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

  • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

  • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

expressconnectrouter:EnableExpressConnectRouterRouteEntries

update

*ExpressConnectRouter

acs:expressconnectrouter::{#accountId}:expressconnectrouter/{#EcrId}

None

None

Request parameters

Parameter

Type

Required

Description

Example

EcrId

string

Yes

The ID of ECR.

ecr-mezk2idmsd0vx2****

DestinationCidrBlock

string

Yes

The destination CIDR block of the route entry.

10.153.32.**/**

NexthopInstanceId

string

Yes

The ID of the next hop instance.

tr-hp3u4u5f03tfuljis****

DryRun

boolean

No

Specifies whether to perform a dry run. Valid values:

  • true: Sends a check request. The request does not modify service resources.

  • false (default): Sends a normal request.

true

ClientToken

string

No

The client token that is used to ensure the idempotence of the request.

Generate a unique value from your client for this parameter. This ensures that the request is idempotent. The ClientToken parameter supports only ASCII characters.

Note

If you do not specify this parameter, the system uses the RequestId of the API request as the ClientToken. The RequestId is different for each API request.

FF9nMec/RZ6H9oqFn1pvyir/SLRlxCCyHJonbGzqL01hiM6Jb3wJowdHvjCfog7ww1b9rSHMRFJnrUBfVba68TJg==

Response parameters

Parameter

Type

Description

Example

object

RpcResponse

RequestId

string

The request ID.

6FABF516-FED3-5697-BDA2-B18C5D9A****

Success

boolean

Indicates whether the call was successful. Valid values:

  • True: The call was successful.

  • False: The call failed.

True

Code

string

A return value of 200 indicates that the call is successful. Other values indicate that the call failed. For more information, see the error codes.

200

Message

string

The returned message.

OK

HttpStatusCode

integer

The HTTP status code.

200

DynamicCode

string

The dynamic error code.

IllegalParamFormat.EcrId

DynamicMessage

string

The dynamic error message that is used to replace the %s placeholder in the ErrMessage parameter.

Note

If ErrMessage returns The Value of Input Parameter %s is not valid and DynamicMessage returns DtsJobId, it indicates that the specified DtsJobId parameter is invalid.

The param format of EcrId **** is illegal.

AccessDeniedDetail

string

The details about the access denial.

Authentication is failed for ****

Examples

Success response

JSON format

{
  "RequestId": "6FABF516-FED3-5697-BDA2-B18C5D9A****",
  "Success": true,
  "Code": "200",
  "Message": "OK",
  "HttpStatusCode": 200,
  "DynamicCode": "IllegalParamFormat.EcrId",
  "DynamicMessage": "The param format of EcrId **** is illegal.",
  "AccessDeniedDetail": "Authentication is failed for ****"
}

Error codes

HTTP status code

Error code

Error message

Description

400

ResourceNotFound.NexthopInstanceId

The next hop instance does not exist.

The next hop instance does not exist.

400

IllegalParamFormat.DestinationCidrBlock

The format of the specified destination Cidr route parameter is incorrect.

The format of the destination Cidr routing parameter you specified is incorrect. Please check and enter it again.

400

MissingParam.%s

The param of %s is missing.

The request parameters are not specified. Please check the corresponding parameters and try again.

400

IllegalParamFormat.%s

The param format of %s is illegal.

Illegal parameter format

400

Conflict.Lock

There are other unfinished operations.

You currently have other unfinished operations, please try again later

400

ResourceInCreating.NexthopInstanceId

The next hop instance is being created.

The next-hop instance you are currently referring to is being created

404

ResourceNotFound.EcrId

EcrId not found.

ECR instance does not exist

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.